Anna-Liisa Hämeensalo

The S/S Vellamo heads to Alexandria with Kaarina, the daughter of the ship's owner Hallerman, on board. As Kaarina trades places with the family's housekeeper Marja, first mate Yrjö takes a liking to Marja whom he believes to be miss Hallerman. Meanwhile Kaarina, pretending to be a member of the cleaning staff, starts getting close with lower ranking officer Kalle Aaltonen.

Pertti works as telegraph operator on a ship. The ship arrives in Helsinki and Pertti looks forward to meet his mother and the neighbor girl, who he is in love. But his plans change, when he steps into a restaurant with the first officer of the ship on the first ashore.